Home / 28,186,517-38,896,731.89-16,584,831.92

Finding the Fourth Proportional to 28,186,517, 38,896,731.89 and 16,584,831.92

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Solution

The fourth proportional to 28,186,517, 38,896,731.89 and 16,584,831.92 is: 22,886,678.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,186,517 : 38,896,731.89 = 16,584,831.92 : x
  2. Step 2: Convert to fraction form
    28,186,517/38,896,731.89 = 16,584,831.92/x
  3. Step 3: Cross multiply
    28,186,517x = 38,896,731.89 × 16,584,831.92
  4. Step 4: Simplify right side
    28,186,517x = 645,095,760,632,953.88
  5. Step 5: Solve for x
    x = 645,095,760,632,953.88/28,186,517
  6. Step 6: Final answer
    x = 22,886,678.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.